Home / 9,996.64-13,786.44-6,456.13

Finding the Fourth Proportional to 9,996.64, 13,786.44 and 6,456.13

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Solution

The fourth proportional to 9,996.64, 13,786.44 and 6,456.13 is: 8,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.64 : 13,786.44 = 6,456.13 : x
  2. Step 2: Convert to fraction form
    9,996.64/13,786.44 = 6,456.13/x
  3. Step 3: Cross multiply
    9,996.64x = 13,786.44 × 6,456.13
  4. Step 4: Simplify right side
    9,996.64x = 89,007,048.88
  5. Step 5: Solve for x
    x = 89,007,048.88/9,996.64
  6. Step 6: Final answer
    x = 8,903.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.